Practice Exercise 3
change each of the following passive sentences into active sentence.
1. Some of the basic principles of television were discovered by a sixteen-year-old
Idaho high school student named Philo T. Farnsworth.
2 Pictures could be transmitted through the air by the photoelectric cell and the
cathode ray tube.
3. A device called an image dissector was sketched by the boy.
The sketch was examined by Science teacher Justin Tolman, who agreed that
Farnsworth's ideas were theoretically sound.
change each of the following passive sentences into active sentence.
1. Some of the basic principles of television were discovered by a sixteen-year-old
Idaho high school student named Philo T. Farnsworth.
2 Pictures could be transmitted through the air by the photoelectric cell and the
cathode ray tube.
3. A device called an image dissector was sketched by the boy.
The sketch was examined by Science teacher Justin Tolman, who agreed that
Farnsworth's ideas were theoretically sound.
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Answer:
1. Philo T. Farnsworth, a sixteen-year-old
Idaho high school student, discovered some of the basic principles of television.
2. The photoelectric cell and the
cathode ray tube could transmit pictures through the air.
3. The boy sketched a device called an image dissector.
4. Justin Tolman, a science teacher who agreed that Farnsworth's ideas were theoretically sound, examined the sketch.
Explanation:
hope it helps:))